Geographical sketch of Assam, part 1

[121] Casirunga lies to the east and south-east of Rungulighur; and Namdoyungh to the eastward above Khonarmook or Sonarmook. The country here is low, and subject to inundation. It extends about six miles in length, from the causeway to Bassa, and four in breadth to the foot of the mountains from Namdoyungh. Namdoyungh is forty miles long, and ten broad; it has Colarphaut on the west, Ouperdoyungh on the east, Caserunga on the south, and the Berhampooter flows on the north. Toquharrurgown, Khoololgown, Atooneagown, and Dehinghiagown, are the principal towns of this flourishing province.